Published in Spring 1993 Zeiss Historica Journal
Author: Dr. Wolfgang Pfeiffer
See Page 10.
Dr. Pfeiffer was the manager of the Carl Zeiss Oberkochen communications function and also lead the new Zeiss museum in Oberkochen. He reminds us that Zeiss was a prime mover in many optical fields including the world of spectacles and their lenses.
To go to the Journal itself, click on the year 1993 in the first line above.